Class: Literal::Types::TupleType Private

Inherits:
Object
  • Object
show all
Includes:
Literal::Type
Defined in:
lib/literal/types/tuple_type.rb

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Literal::Type

#<=

Constructor Details

#initialize(types) ⇒ TupleType

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new instance of TupleType.

Raises:



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# File 'lib/literal/types/tuple_type.rb', line 7

def initialize(types)
  raise Literal::ArgumentError.new("_Tuple type must have at least one type.") if types.size < 1

  @types = types
  freeze
end

Instance Attribute Details

#types ⇒ Object (readonly)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/literal/types/tuple_type.rb', line 14

def types
  @types
end

Instance Method Details

#===(value) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/literal/types/tuple_type.rb', line 20

def ===(value)
  return false unless Array === value
  types = @types
  return false unless value.size == types.size

  i, len = 0, types.size
  while i < len
    return false unless types[i] === value[i]
    i += 1
  end

  true
end

#>=(other, context: nil) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/literal/types/tuple_type.rb', line 50

def >=(other, context: nil)
  case other
  when Literal::Types::TupleType
    @types == other.types
  else
    false
  end
end

#inspect ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/literal/types/tuple_type.rb', line 16

def inspect
  "_Tuple(#{@types.map(&:inspect).join(', ')})"
end

#record_literal_type_errors(context) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/literal/types/tuple_type.rb', line 34

def record_literal_type_errors(context)
  return unless Array === context.actual

  len = [@types.size, context.actual.size].max
  i = 0
  while i < len
    actual = context.actual[i]
    if !(expected = @types[i])
      context.add_child(label: "[#{i}]", expected: Literal::Types::NeverType::Instance, actual:)
    elsif !(expected === actual)
      context.add_child(label: "[#{i}]", expected:, actual:)
    end
    i += 1
  end
end